Mixer



FIG. 1 is front perspective view of a mixer illustrating my new design;

FIG. 2 a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings represent unclaimed subject matter. 

The ornamental design for a mixer, as shown and described. 